Evidence for an N2O intermediate in the catalytic reduction of NO to N2 on rhodium surfaces

作者: Francisco Zaera , Chinnakonda S Gopinath , None

DOI: 10.1016/S0009-2614(00)01247-1

关键词: Inorganic chemistryNitrogenMolecular nitrogenMolecular beamKinetic energyCatalysisIsothermal processChemistryRhodiumSelective catalytic reduction

摘要: Abstract Rates for isotopically labelled molecular nitrogen production during the isothermal steady-state reduction of NO to N 2 by CO on Rh(1 1 1) surfaces were measured using a beam technique. The replacement surface 14 15 upon switching isotopic label in (from NO) was determined occur via exclusive formation N; no detected these experiments. This result provides direct kinetic evidence mechanism involving an N–NO intermediate. implications design catalytic converters are briefly discussed.

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